General

Profile

yixing hao

  • Registered on: 03/30/2022
  • Last connection: 01/03/2023

Issues

Activity

01/03/2023

08:01 AM bluestore Bug #58274: BlueStore::collection_list becomes extremely slow due to unbounded rocksdb iteration
yixing hao wrote:
> Also observed from our HDD bluestore cluster with tens of billions of objects, the stack is like...
07:51 AM bluestore Bug #58274: BlueStore::collection_list becomes extremely slow due to unbounded rocksdb iteration
Also observed from our HDD bluestore cluster with tens of billions of objects, the stack is like the above.
7ffad9...

11/11/2022

09:14 AM CephFS Bug #58008: mds/PurgeQueue: don't consider filer_max_purge_ops when _calculate_ops
When increasing filer_max_purge_ops on a pacific version mds, pq_executing_ops/pq_executing_ops_high_water of purge_q...
09:13 AM CephFS Bug #58008 (Pending Backport): mds/PurgeQueue: don't consider filer_max_purge_ops when _calculate...
_calculate_ops relying on a config which can be modified on the fly will cause a bug. e.g.
# A file has 20 objects...

06/15/2022

08:55 AM CephFS Feature #56058: mds/MDBalancer: add an arg to limit depth when dump loads for dirfrags
https://github.com/ceph/ceph/pull/46685
08:54 AM CephFS Feature #56058 (Pending Backport): mds/MDBalancer: add an arg to limit depth when dump loads for ...
Directory hierarchy may be deep for a large filesystem, cmd dump loads would output
a lot and take a long time. So a...

03/30/2022

11:43 AM CephFS Feature #55126: mds: add perf counter to record slow replies
Reviewer suggested that the pr could be backported, so create the tracker here.
11:42 AM CephFS Feature #55126: mds: add perf counter to record slow replies
Though we have MDS_HEALTH_SLOW_METADATA_IO and MDS_HEALTH_SLOW_REQUEST health alert, but those are not
precise nor a...
11:42 AM CephFS Feature #55126 (Pending Backport): mds: add perf counter to record slow replies

Also available in: Atom